Although meditators are were aware of pain, the sensation wasn't processed in the part of their brains responsible for appraisal.
Zen meditators feel pain but simply don't dwell on it as much, according to new research from the Université de Montréal. The findings, published in the journal Pain, may have implications for chronic pain sufferers, such as those with arthritis, back pain, or cancer.
"Our previous research found that Zen meditators have lower pain sensitivity. The aim of the current study was to determine how they are achieving this," said senior author Pierre Rainville, researcher at the Université de Montréal and the Institut universitaire de gériatrie de Montréal, according to a press release. "Using functional magnetic resonance imaging, we demonstrated that although the meditators were aware of the pain, this sensation wasn't processed in the part of their brains responsible for appraisal, reasoning or memory formation. We think that they feel the sensations, but cut the process short, refraining from interpretation or labelling of the stimuli as painful."
Rainville and colleagues evaluated the response of 13 Zen meditators and 13 non-meditators to a painful heat stimulus. Pain perception was measured and compared with functional MRI data. The most experienced Zen practitioners showed lower pain responses and decreased activity in the brain areas responsible for cognition, emotion and memory (the prefrontal cortex, amygdale, and hippocampus). In addition, there was a decrease in the communication between a part of the brain that senses the pain and the prefrontal cortex.
"Our findings lead to new insights into mind/brain function," said first author, Joshua Grant, a doctoral student at theUniversité de Montréal. "These results challenge current concepts of mental control, which is thought to be achieved by increasing cognitive activity or effort. Instead, we suggest it is possible to self-regulate in a more passive manner, by 'turning off' certain areas of the brain, which in this case are normally involved in processing pain."
"The results suggest that Zen meditators may have a training-related ability to disengage some higher-order brain processes, while still experiencing the stimulus," said Rainville. "Such an ability could have widespread and profound implications for pain and emotion regulation and cognitive control. This behaviour is consistent with the mindset of Zen and with the notion of mindfulness."
The study is titled: "A non-elaborative mental stance and decoupling of executive and pain-related cortices predicts low pain sensitivity in Zen meditators." It was authored by Joshua A. Grant, Jérôme Courtemanche, and Pierre Rainville from the Université de Montréal. The research was funded by a grant from the Mind and Life Institute with support for Joshua Grant provided by the Canadian Institutes of Health Research.
Source: University of Montreal
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